25
SPECIAL MAINTENANCE
Special maintenance must only be done by a Specialized Technician, complying with the following table.
MAINTENANCE
SCHEDULE
JOB
Every 200 hours
• Check the pump’s hydraulic circuit. • Check pump clamping.
Every 500 hours
• Change pump oil.
• Check the pump suction/delivery
valves.
• Check tightness of pump screws.
• Check the pump regulation valve.
• Check the safety devices.
CAUTION
• The data given in the table are approximate. It might be necessary to carry out maintenance more
frequently in the case of particularly heavy work.
TROUBLESHOOTING
PROBLEMS
CAUSES
REMEDIES
When the switch (1) is
moved to “1” position, the
high pressure cleaner does
not start, LED (43) does not
turn on.
The switch to which the power
cable plug is connected is in
“0” position.
Move the master switch to “1” position.
Tripping of system cutout
device to which the high
pressure cleaner is connected
(fuse, RCCB, etc.).
Reset the cutout device.
IN CASE THIS TRIPS AGAIN, DO NOT
USE THE HIGH PRESSURE CLEANER
AND CONTACT A SPECIALIZED
TECHNICIAN.
The plug is not properly fitted. Disconnect the plug and fit it back
correctly.
Pressing push button (21), the
high pressure cleaner does
not start even if LED (43) is
on (LENA).
Emergency push button (40)
pressed.
Pull the push button upwards to reset
the emergency.
The high pressure cleaner is
vibrating a lot and is noisy.
The water inlet filter (18) is
dirty.
Follow the instructions given in the
“Routine Maintenance” paragraph.
Air suction.
Check soundness of the suction circuit.
Pump priming is incomplete. Follow the instructions given in the
“Operation – Preliminary activities”
paragraph.
Not enough water is being
supplied or priming depth is
excessive.
Make sure the tap is fully open and that
the mains flow rate or priming depth
conform to what is specified in the
“Specifications and technical data”
paragraph.
Throttling in the suction circuit
(bends, elbows, etc.).
Use an suction hose free from throttling.
(continues on the next page)
EN
